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Redring SB
Tank access and replacing parts
Task Operation
Front cover removal 1. Turn power and water off
2. Drain unit via tap, be carefull of boiling water.
3. Remove the tap assy by unscrewing
counter-clockwise
4. Undo self-tapping screws, 2 at top and 2 at bottom
of case. Remove the cover by drawing towards you.
Replace Solenoid 1. Directions as above in Cover Removal.
2. Disconnect wires to valve.
3. Disconnect the water fitting attached to valve.
4. Unscrew securing screws fixing valve. Remove old
valve and replace with new valve.
5. Re-connect fitting, turn on water and check for leaks.
6. Refit case and return to operation.
Replace Element 1. Directions as above in Cover Removal.
2. Disconnect element wiring.
3. Disconnect wiring from the manual re-set thermostat
and remove by unscrewing.
4. Remove the panel at the top of the tank, then the 3
nuts securing the element, 2 at the bottom and 1 on
the side of tank.
5. Remove the element through the top opening.
6. Replacement is the reverse procedure.
7. Refit case and return to operation.
NOTE: After replacing the element the top panel must
be re- sealed to ensure water tight operation.
Replace Tap assembly 1. Directions as above in Cover Removal. Steps 1-3.
2. Re-fit the new tap assembly.
3. Ensure new thread seal tape is applied.
Replace Manual Re-Set Thermostat 1. Directions as above in Cover Removal.
2. Remove the connecting wires, unscrew the cutout.
3. Replacement is the reverse procedure.
Replace PCB. 1. Directions as above in Cover Removal.
2. Disconnect connecting wires and unscrew PCB.
3. Replacement is the reverse procedure.
4. Refit case and return to operation.
NOTE: PCB wiring is colour coded please ensure that
the wires go back onto the same connection terminals.
All connections are 240 volt, take great care.
The temperature is non-adjustable.
PCB No.181801 is for 2.5 ltr.
PCB No.181815 is for 5ltr and larger.